diff --git a/internal/agent/tools/bash.tpl b/internal/agent/tools/bash.tpl
index c9633aff95e21c28367743c0461ea3acda90a486..3663158afa7cd7a6e4d90b2468373096fa7ccf0e 100644
--- a/internal/agent/tools/bash.tpl
+++ b/internal/agent/tools/bash.tpl
@@ -1,10 +1,5 @@
-Executes bash commands with automatic background conversion for long-running tasks.
+Execute shell commands; long-running commands automatically move to background and return a shell ID.
 
-<cross_platform>
-Uses mvdan/sh interpreter (Bash-compatible on all platforms including Windows).
-Use forward slashes for paths: "ls C:/foo/bar" not "ls C:\foo\bar".
-Common shell builtins and core utils available on Windows.
-</cross_platform>
 
 <execution_steps>
 1. Directory Verification: If creating directories/files, use LS tool to verify parent exists